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A student scored 80, 90, and 70 in three subjects. What is his average score?

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Question: A student scored 80, 90, and 70 in three subjects. What is his average score?

Options:

  1. 80
  2. 85
  3. 75
  4. 90

Correct Answer: 80

Solution: 

Average = (80 + 90 + 70) / 3 = 240 / 3 = 80.

A student scored 80, 90, and 70 in three subjects. What is his average score?

Practice Questions

Q1
A student scored 80, 90, and 70 in three subjects. What is his average score?
  1. 80
  2. 85
  3. 75
  4. 90

Questions & Step-by-Step Solutions

A student scored 80, 90, and 70 in three subjects. What is his average score?
  • Step 1: Add the scores together. 80 + 90 + 70 = 240.
  • Step 2: Count the number of subjects. There are 3 subjects.
  • Step 3: Divide the total score by the number of subjects. 240 / 3 = 80.
  • Step 4: The average score is 80.
  • Average Calculation – The average score is calculated by summing all the scores and dividing by the number of subjects.
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